Supergirl Season 4 Hints at Red Son Storyline, One Series Regular Won't Return

Note that spoilers are ahead for those who have not watched the Season 3 finale of Supergirl!

As the Season 3 finale wrapped up for Supergirl, fans were left with lingering questions – but one of those has been definitively answered by Executive Producer, Robert Rovner: Chris Wood will not be returning for Season 4.

Rovner told TVLine that was always the plan for Wood's character, Mon-El. “The plan for Chris was always to have him on the show for two years," Rovner explained. "We’ve loved telling Mon El's story, as well as the story we’ve told for him and Kara. We hope the fans felt that it was a satisfying conclusion."

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Mehcad Brooks as James Olsen/Guardian in Supergirl's "The Fanatical" Episode

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Mehcad Brooks as James Olsen/Guardian in Supergirl's "The Fanatical" Episode

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Executive Producer, Jessica Queller feels it's a bittersweet ending for the two heroes, Kara and Mon-El, but feel the characters respected one another's decisions.

“They both have destinies in different times as heroes," Queller said. "What they did was the sort-of Casablanca decision of putting what’s most important to them — which is saving the world — first. It’s a little bittersweet that one destiny is to be a hero in this time and one’s destiny is to run the Legion in another time, but I think they grew a lot from knowing one another. They have respect for one another, and they have a respect for the decisions they respectively made.”

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Although Wood is finished with Supergirl as of right now, Rovner said we may not have seen the last of Mon-El. “We love working with Chris, so we’d love to have Mon-El back someday if the story takes us there and if Chris is available.”

Supergirl Season 4 Will Be Inspired by the Superman: Red Son Comic

Both Rovner and Queller hinted to TVLine about the future of the series.“For fans of the comics, I think they might recognize that the story we want to tell is inspired by the iconic DC Comics’ Red Son, which told an alternate origin story for Superman,” Rovner said.

“What happened if — as a baby — Superman landed in Russia and became a hero there instead of in America," Queller added. "It’s an homage to that.”